Function get_python_version_os

src/packagedcode/pypi.py:2275–2313

Return the "python_version" or "os related values of a ``marker`` requirement Marker or None.

(marker)

def get_python_version_os(marker):
    """
    Return the "python_version" or "os related values of a ``marker``
    requirement Marker or None.
    """
    platform_data = {}
    python_version_operators = ['<', '>=', '==', '<=', '<']

    if not marker or not isinstance(marker, markers.Marker):
        return platform_data

    marks = getattr(marker, '_markers', [])

    for mark in marks:
        # filter for variable(extra) == value tuples of (Variable, Op, Value)
        if not isinstance(mark, tuple) and not len(mark) == 3:
            continue

        variable, operator, value = mark

        if (
            isinstance(variable, markers.Variable)
            and variable.value == 'python_version'
            and isinstance(operator, markers.Op)
            and operator.value in python_version_operators
            and isinstance(value, markers.Value)
        ):
            platform_data["python_version"] = f"{operator.value} {value.value}"
        
        if (
            isinstance(variable, markers.Variable)
            and variable.value == 'sys_platform'
            and isinstance(operator, markers.Op)
            and operator.value == '=='
            and isinstance(value, markers.Value)
        ):
            platform_data["sys_platform"] = f"{operator.value} {value.value}"

    return platform_data


def get_dparse2_supported_file_name(file_name):